---
typeId: term
recordId: wasm-package-host-calling-convention
fields:
  title: WASM package-host calling convention
  definition: A versioned contract for how a Station mediates a package operation that
    uses a WASM artifact, including module format, allowed imports, forbidden imports,
    required exports, memory behavior, input encoding, output encoding, error behavior,
    resource behavior, evidence behavior, and effect behavior.
  sourceDocument: operator ticket dc3af413-dc52-4b70-afd0-527af9270195
  sourceSections:
    - 16. Terms and definitions changes
  order: 7801
  usage:
    - The WASM package-host calling convention is a mechanism contract. It does not
      grant authority, classify packages, or classify how package work is performed.
  sourceVersion: 2026-05-06
---
